The Fourth Side of the Triangle Author:Ellery Queen It was hot in New York that August. So hot, on Coney Island you had to make a reservation to sweat. So hot, people took their vacations in their refrigerators. So hot, the society elite of Park Avenue started killing each other. Over small things. Like love. This wasn't going to be an easy case for Ellery. He was laid up in a hospital with a... more » broken leg. And this one was going to take a lot of legwork. Because the corpse was in the penthouse.
First published in 1965. Ghost-written by Avram Davidson (per Wikipedia).« less